package com.example.b_308.myapplication.controller;

/**
 * Created by xxtves on 2017/11/29.
 */

public class StringValidator {
    public static boolean isEmply(String string) {
        return  null==string||0==string.length();
    }
    public static  boolean isNotEmply(String s){
        return !isEmply(s);
    }
}
